/Engine/Source/Runtime/CinematicCamera/Public/CineCameraSettings.h
Settings to control camera focus
struct FCameraFocusSettings
uint8:  1
bDrawDebugFocusPlane
True to draw a translucent plane at the current focus depth, for easy tweaking.
uint8:  1
bSmoothFocusChanges
True to use interpolation to smooth out changes in focus distance, false for focus distance changes to be instantaneous.
FColor
DebugFocusPlaneColor
For customizing the focus plane color, in case the default doesn't show up well in your scene.
ECameraFocusMet...
FocusMethod
Which method to use to handle camera focus
float
FocusOffset
Additional focus depth offset, used for manually tweaking if your chosen focus method needs adjustment
float
FocusSmoothingInterpSpeed
Controls interpolation speed when smoothing focus distance changes.
float
ManualFocusDistance
Manually-controlled focus distance (manual focus mode only)
FCameraTracking...
TrackingFocusSettings
Settings to control tracking focus (tracking focus mode only)